Prequalification underway for construction of 1.93 km-long, 2.23 – 3.5 m finished diameter South Mountain Water Transmission Tunnel. Inner lining will comprise 1.27 m-diameter pipe backgrouted into place. Contact City of Phoenix. March 2000.
Prequalification packages are being accepted by the City of Phoenix, Arizona for the construction of the 1.93 km-long South Mountain water transmission tunnel at 2.23 m to 3.5 m finished diameter with a 1.27 m-diameter pipe grouted in place. Bids due this Spring. February 2000.
